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746427 = 31122619
BaseRepresentation
bin10110110001110111011
31101220220110
42312032323
5142341202
623555403
76226113
oct2661673
91356813
10746427
1146a890
122bbb63
13201996
14156043
15eb26c
hexb63bb

746427 has 8 divisors (see below), whose sum is σ = 1085760. Its totient is φ = 452360.

The previous prime is 746413. The next prime is 746429. The reversal of 746427 is 724647.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 746427 - 24 = 746411 is a prime.

746427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 746394 and 746403.

It is not an unprimeable number, because it can be changed into a prime (746429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11277 + ... + 11342.

It is an arithmetic number, because the mean of its divisors is an integer number (135720).

2746427 is an apocalyptic number.

746427 is a deficient number, since it is larger than the sum of its proper divisors (339333).

746427 is a wasteful number, since it uses less digits than its factorization.

746427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22633.

The product of its digits is 9408, while the sum is 30.

The square root of 746427 is about 863.9600685217. The cubic root of 746427 is about 90.7115205426.

Adding to 746427 its product of digits (9408), we get a triangular number (755835 = T1229).

The spelling of 746427 in words is "seven hundred forty-six thousand, four hundred twenty-seven".

Divisors: 1 3 11 33 22619 67857 248809 746427